And you thought it was just 'pink' slime

It's beginning to feel like piling on when it comes to the "lean finely textured beef" controversy and consumer outrage. But as ProPublica points out, "the burger filler isn't new, nor is it the only way that meat packers maximize production." 

In the interests of putting it all on the table, the independent, non-profit news service provides a matter-of-fact summary of how the lean beef trimmings, aka "pink slime," stack up against two other mechanical processes. Check it out here.